September 2002


Special Report: Instrumentation and Control

Consider process control a specialty within chemical engineering – Part 1
Smith, C. L., Cecil L. Smith, Inc.

Incorporating more process reactions in the unit's P&I, engineers will be able to design better control systems

Setpoint tuning method gives excellent response to load changes
Robbins, L. A., DOW Chemical Co.

The technique has been thoroughly tested with simulations and actual control loops

Rationalizing PID tuning with a model-based approach
Agnihotri, R. B., Jaguste, D. N., Processbiz Technologies

The method provides flexibility in using any PID algorithm, process transfer function and test pattern

Consider a neuro-fuzzy system to model a delayed coking process
Jia, L., Yu, J., Research Institute of Automation, East China University of Science and Technology

Soft-sensing techniques can be used to achieve realistic control models

Project Management

Joint ventures: managing proposals for collaborative successes
Lenehan, B., Offer Solutions Ltd.

Use these techniques to force transparency, build inter-company trust and win projects

Process Technology

Prevent adsorber bed failure
Rahman, S., Karnaphuli Fertilizer Co. Ltd.

Improved operational integrity minimizes plant upsets and challenges

Rotating Equipment

Condition monitoring for reciprocating compressors
Drewes, E., Prgnost Systems GmbH

Practical experience with computer-aided online systems shows how useful they can be


HP Reliability: Effects of particulate contamination on bearing life
Bloch, Heinz P., Hydrocarbon Processing Staff

Reliability professionals are well aware that water in bearing lube oil is detrimental to long-term, reliable equipment operation. Similarly, there is agreement that solid contaminants,..

HPInternet: Why do gasoline prices go up and down?
Crowley, B., Competitive Analysis Technologies

We in the industry know why gasoline prices fluctuate. It's because of the price of crude oil or demand for product or government adding more environmental costs or high taxes or refine..

HP Automation Safety: Why CFSE certification?
Goble, W., exida LLC

IEC 61508, an international standard for functional safety, requires that any project manager establish criteria to assure competency of all individuals doing various safety life-cycle ..

HP Insight: Reality ‘bites’ for the energy industry
Romanow, Stephany, Hydrocarbon Processing Staff

As this issue goes to press, HP will be releasing its 2003 industry forecast. So what should the HPI expect to happen over the next 15 months? Well, the news is cooling if not at times ..

HP Innovations: HPInnovations

Optimal crude oil scheduling software application The Industry Solutions business of Honeywell Automation and Control Solutions has introduced a new Production Scheduler software applic..

Jackson, Kim M., Hydrocarbon Processing Staff

Foster Wheeler to sell plant A Foster Wheeler Ltd. subsidiary is selling its interests in its Hudson Falls, New York, waste-to-energy plant. The Warren and Washington counties industrial ..

New Developments

Oxidizers provide effective VOC destruction Designed to exceed all local, state and federal clean air regulations, Regenerative Thermal Oxidizers are said to destroy up to 99%+ of volat..

HP Construction: HPIn Construction
Jackson, Kim M., Hydrocarbon Processing Staff

Air Products building hydrogen plant Air Products and Chemicals, Inc., Lehigh Valley, Pennsylvania, is building a 40-million scfd hydrogen (H2) facility in New Orleans, Louisiana. The p..

Free Literature

Power plant gas detection MSA Instrument Division's "Gas Monitoring in the Power Generation Industry" bulletin is designed to help users identify toxic and combustible gas hazards in power ..

HP In Brief: HPIn Brief
Weirauch, Wendy, Hydrocarbon Processing Staff

Global refining capacity and markets: short-term outlook. East of Suez markets will continue to be dominated by the excess capacity in Asia. The largest additions have come from India, ..

HP Impact: Proactive strategies to improve petrochemicals profits
Weirauch, Wendy, Hydrocarbon Processing Staff

Whether it is bad luck or bad planning, the petrochemical industry has been beleaguered by shifting crises over the past five years. So says a recent analysis from SRI Consulting (http:..

HP Impact: Re-examining energy security for all market sectors
Weirauch, Wendy, Hydrocarbon Processing Staff

A new report from the United States Energy Association (USEA) presents broad policy recommendations to enhance energy security. Titled, "National Energy Security Post 9/11," the analysi..

HP Impact: Planned ethylene turnarounds to help olefins recovery
Weirauch, Wendy, Hydrocarbon Processing Staff

Seven individual ethylene unit turnarounds are scheduled for second-half 2002. These planned turnarounds will require 228 days of downtime, affecting approximately 8 billion lb/yr of et..

HP Impact: Technical issues impact global propylene, derivatives growth
Weirauch, Wendy, Hydrocarbon Processing Staff

Propylene demand is projected to increase faster than supply, and if this trend continues, global supplies would become short and prices would increase. This situation potentially would..

HP Impact: NPRA comments on EPA’s highway diesel progress review
Weirauch, Wendy, Hydrocarbon Processing Staff

Members of the National Petrochemical & Refiners Association (NPRA) who serve on the Clean Diesel Independent Review Panel (CDIRP) urge the panel to conduct a thorough, science-based re..

HP Impact: Marine algae fight global warming?
Weirauch, Wendy, Hydrocarbon Processing Staff

The causes and very existence of "global warming" are hotly debated issues within the HPI and the global community in general. A team of scientists funded by European Commission Researc..

Letters to the Editor

Letters to the editor

Piping design I really enjoyed the article by J. M. Cummings, "Low technology approach to better machinery reliability" (April 2002, pp. 65 - 69). Mr. Cummings is obviously not from the..


Optimize FCC flue-gas emission control – Part 1

Upcoming environmental regulations will require tighter control measures for FCC units. So, what are the best options?

In-plant automation support strategies are changing

Dick Hill, Contributing Editor       Comments? Write: Automation end users h..

Plant information (OPC data management)

Application. Matrikon's OPC Data Manager (ODM) is a software application that transfers data from one OPC server to another. Use ODM when you need to share data between two or more cont..

Monitor microbiological populations in cooling water
Huchler, L. A., MarTech Systems, Inc.

Cooling water provides a perfect environment for microbiological (MB) organisms - a hospitable temperature range, a constant pH and a plentiful food supply from the chemical treatment. ..

Why tune control loops? Why make control loops?
Latour, P. R., Clifftent Inc.

Enterprise integration has abundant powerful technology capable of generating great value for the HPI, yet business issues, not technology, hamper its commercial success. The major impe..

Revamping an old pneumatic instrumentation system

Careful planning reduced costs and avoided having to shut down the plants